No heat drivers side

[syd.fos123]

Hey all, just noticed this morning my 2014 Passat TDI SEL Premium driver’s side heat was not working, it is only blowing cold air. Passenger side seems fine. I just replaced my heater core (for the second time) only 1,000 miles ago. Any thoughts?

 

[syd.fos123]

Sorry, I posted in the wrong forum- not sure how to delete. Please ignore